<html>
<head>
<script src="http://code.jquery.com/jquery-1.4.2.js"></script>
<script type="text/javascript">
	$(document).ready(function() {
		$("#ajaxButton").click(function() {
			$.ajax({
				type : "POST",
				url : "ajax.html",
				success : function(html) {
					$("#responseDiv").html(html);
				}
			});
		});
	});
</script>
</head>
<body>
	<div>
		<input type="button" value="ajax" id="ajaxButton" />
	</div>
	<div id="responseDiv"></div>
</body>
</html>